<template>
  <div>
    <!--面包屑导航区-->
    <el-breadcrumb separator="/">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>分类参数</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card>
      <el-alert
        title="警告提示的文案"
        type="warning"
        show-icon
        :closable="false"
      >
      </el-alert>
      <el-row class="cat_opt">
        <el-col>
          <span>选择商品分类：</span>
          <el-cascader
            v-model="selectCateKeys"
            :options="catelist"
            expandTrigger="hover"
            :props="cateProps"
            @change="handleChange"
            :headers="headObj"
          ></el-cascader>
        </el-col>
      </el-row>
      <el-tabs
        v-model="activeName"
        @tab-click="handleTabClick"
        :headers="headObj"
      >
        <el-tab-pane label="动态参数" name="many">
          <el-button type="primary" :disabled="isBtnDisable" :headers="headObj" @click="showAddParamsDialog"
            >添加参数</el-button
          >
          <el-table border stripe :data="manyTableData">
            <el-table-column type="expand">
              <template slot-scope="scope">
                <el-tag v-for="(item , i) in scope.row.attr_vals" :key='i' closable
                @close='handleClose(i , scope.row)'>{{item}}</el-tag>
                <el-input
  class="input-new-tag"
  v-if="scope.row.inputVisible"
  v-model="scope.row.inputValue"
  ref="saveTagInput"
  size="small"
  @keyup.enter.native="handleInputConfirm(scope.row)"
  @blur="handleInputConfirm(scope.row)"
>
</el-input>
<el-button v-else class="button-new-tag" size="small" @click="showInput(scope.row)">+ New Tag</el-button>
                </template> </el-table-column>
            <el-table-column type="index"> </el-table-column>
            <el-table-column label="参数名称" prop="attr_name">
            </el-table-column>
            <el-table-column label="操作" prop="attr_name">
              <template slot-scope="scope">
                <el-button type="primary" size="mini" icon="el-icon-edit" @click="showEditDialog(scope.row.attr_id)"
                  >编辑</el-button
                >
                <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeParam(scope.row.attr_id)"
                  >删除</el-button
                >
              </template>
            </el-table-column>
          </el-table>
        </el-tab-pane>
        <el-tab-pane label="静态属性" name="only">
          <el-button type="primary" :disabled="isBtnDisable" @click="showAddParamsDialog"
            >添加属性</el-button
          >
                    <el-table border stripe :data="onlyTableData">
            <el-table-column type="expand">

              <template slot-scope="scope">
                <el-tag v-for="(item , i) in scope.row.attr_vals" :key='i' closable
                @close='handleClose(i , scope.row)'>{{item}}</el-tag>
                <el-input
  class="input-new-tag"
  v-if="scope.row.inputVisible"
  v-model="scope.row.inputValue"
  ref="saveTagInput"
  size="small"
  @keyup.enter.native="handleInputConfirm(scope.row)"
  @blur="handleInputConfirm(scope.row)"
>
</el-input>
<el-button v-else class="button-new-tag" size="small" @click="showInput(scope.row)">+ New Tag</el-button>
                </template> </el-table-column>
            <el-table-column type="index"> </el-table-column>
            <el-table-column label="属性名称" prop="attr_name">
            </el-table-column>
            <el-table-column label="操作" prop="attr_name">
              <template slot-scope="scope">
                <el-button type="primary" size="mini" icon="el-icon-edit"  @click="showEditDialog(scope.row.attr_id)"
                  >编辑</el-button
                >
                <el-button type="danger" size="mini" icon="el-icon-delete" @click="removeParam(scope.row.attr_id)"
                  >删除</el-button
                >
              </template>
            </el-table-column>
          </el-table>
        </el-tab-pane>
      </el-tabs>
    </el-card>

    <el-dialog
  :title="'添加' + titleText"
  :visible.sync="addDialogVisible"
  width="50%" @close="addDialogClosed">
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="100px">
  <el-form-item :label="titleText" prop="attr_name">
    <el-input v-model="addForm.attr_name"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false ">取 消</el-button>
    <el-button type="primary" @click="addParams">确 定</el-button>
  </span>
</el-dialog>
    <el-dialog
  :title="'修改' + titleText"
  :visible.sync="editDialogVisible"
  width="50%" @close="editDialogClosed">
  <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="100px">
  <el-form-item :label="titleText" prop="attr_name">
    <el-input v-model="editForm.attr_name"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false ">取 消</el-button>
    <el-button type="primary" @click="editParams">确 定</el-button>
  </span>
</el-dialog>
  </div>
</template>
<script>
export default {
  data () {
    return {
      catelist: [],
      cateProps: {
        value: 'cat_id',
        label: 'cat_name',
        children: 'children'
      },
      headObj: {
        Authorization: window.sessionStorage.getItem('token')
      },
      selectCateKeys: [],
      activeName: 'many',
      manyTableData: [],
      onlyTableData: [],
      addDialogVisible: false,
      addForm: {
        attr_name: ''
      },
      addFormRules: {
        attr_name: [
          { required: true, message: '请输入参数名称', trigger: 'blur' }
        ]

      },
      editDialogVisible: false,
      editForm: {},
      editFormRules: {
        attr_name: [
          { required: true, message: '请输入参数名称', trigger: 'blur' }
        ]

      }
    }
  },
  created () {
    this.getCateList()
  },
  methods: {
    async getCateList () {
      const { data: res } = await this.$http.get('categories')

      if (res.meta.status !== 200) {
        return this.$message.error('获取商品分类失败')
      }

      this.catelist = res.data
    },
    handleChange () {
      this.getParamsData()
    },
    handleTabClick () {
      this.getParamsData()
    },
    async getParamsData () {
      if (this.selectCateKeys.length !== 3) {
        this.selectCateKeys = []
        this.manyTableData = []
        this.onlyTableData = []

        return ''
      }

      const { data: res } = await this.$http.get(`categories/${this.cateId}/attributes`, { params: { sel: this.activeName } })
      if (res.meta.status !== 200) {
        return this.$message.error('获取参数列表失败')
      }
      this.$message.success('获取参数列表成功')
      res.data.forEach(item => {
        item.attr_vals = item.attr_vals ? item.attr_vals.split(' ') : []
        item.inputVisible = false
        item.inputValue = ''
      })
      console.log(res.data)
      if (this.activeName === 'many') {
        this.manyTableData = res.data
      } else {
        this.onlyTableData = res.data
      }
    },
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    showAddParamsDialog () {
      this.addDialogVisible = true
    },
    addParams () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          return ''
        }
        const { data: res } = await this.$http.post(`categories/${this.cateId}/attributes`, {
          attr_name: this.addForm.attr_name,
          attr_sel: this.activeName
        })
        if (res.meta.status !== 201) {
          return this.$message.error('添加参数失败')
        }
        this.$message.success('添加参数成功')
        this.addDialogVisible = false
        this.getParamsData()
      })
    },
    /* eslint-disable-next-line */
    async showEditDialog (attr_id) {
      /* eslint-disable-next-line */
       console.log(attr_id)
      /* eslint-disable-next-line */
      const { data: res } = await this.$http.get(`categories/${this.cateId}/attributes/${attr_id}`, {
        params: {
          attr_sel: this.activeName

        }
      })
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('获取参数信息失败')
      }
      this.$message.success('获取参数信息成功')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editParams () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) {
          return ''
        }
        const { data: res } = await this.$http.put(`categories/${this.cateId}/attributes/${this.editForm.attr_id}`, {
          attr_name: this.editForm.attr_name,
          attr_sel: this.activeName
        })
        if (res.meta.status !== 200) {
          return this.$message.error('修改参数失败')
        }
        this.$message.success('修改参数成功')
        this.getParamsData()
        this.editDialogVisible = false
      })
    },
    /* eslint-disable-next-line */
    async removeParam (attr_id) {    
      const confirmResult = await this.$confirm(
        '此操作将永久删除该参数, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch((err) => err)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      /* eslint-disable-next-line */
      const { data: res } = await this.$http.delete(`categories/${this.cateId}/attributes/${attr_id}`)
      console.log(attr_id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除参数失败')
      }
      this.$message.success('删除参数成功')
      this.getParamsData()
    },
    async handleInputConfirm (row) {
      if (row.inputValue.trim().length === 0) {
        row.inputValue = ''
        row.inputVisible = false
        return ''
      }
      row.attr_vals.push(row.inputValue.trim())
      row.inputValue = ''
      row.inputVisible = false
      this.saveAttrvals(row)
    },
    showInput (row) {
      row.inputVisible = true
      this.$nextTick(_ => {
        this.$refs.saveTagInput.$refs.input.focus()
      })
    },
    handleClose (i, row) {
      row.attr_vals.splice(i, 1)
    },
    async saveAttrvals (row) {
      /* eslint-disable-next-line */
      const { data: res } = await this.$http.put(`categories/${this.cateId}/attributes/${row.attr_id}`, {
        attr_name: row.attr_name,
        attr_vals: row.attr_vals.join(' '),
        attr_sel: row.attr_sel
      })
      if (res.meta.status !== 200) {
        return this.$message.error('修改参数失败')
      }
      this.$message.success('修改参数成功')
    }

  },
  computed: {
    isBtnDisable () {
      if (this.selectCateKeys.length !== 3) {
        return true
      }
      return false
    },
    cateId () {
      if (this.selectCateKeys.length !== 3) {
        return null
      }
      return this.selectCateKeys[this.selectCateKeys.length - 1]
    },
    titleText () {
      if (this.activeName === 'many') {
        return '动态参数'
      }
      return '静态属性'
    }

  }
}
</script>
<style lang="less" scoped>
.cat_opt {
  margin: 15px 0;
}
.el-button{
  margin:15px 0;
}
.input-new-tag{
  width: 120px;
}
.el-tag {
  margin: 10px;
}

</style>
